'''
Copyright (C) 2012 I&He, az@azijeon.com

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
'''

import os

try:
    from subprocess import Popen, PIPE
    bsubprocess = True
except:
    bsubprocess = False

def command(cmd):

    if bsubprocess:
        p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE)
        #rc = p.wait()        
        result = p.communicate()
        
    else:
        f,err = os.popen3(cmd)[1:]
        result = f.communicate()[0]
        f.close()
        err.close()
        
    return result[0]